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VMware vSphere 7.0 Virtual Machine Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Copy operations must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Copy and paste operations are disabled by default; however, explicitly disabling this feature will enable audit controls to v...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Drag and drop operations must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Copy and paste operations are disabled by default; however, explicitly disabling this feature will enable audit controls to v...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Paste operations must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Copy and paste operations are disabled by default; however, explicitly disabling this feature will enable audit controls to v...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Virtual disk shrinking must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Shrinking a virtual disk reclaims unused space in it. If there is empty space in the disk, this process reduces the amount of...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Virtual disk wiping must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Shrinking and wiping (erasing) a virtual disk reclaims unused space in it. If there is empty space in the disk, this process ...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Independent, nonpersistent disks must not be used on the virtual machine (VM).

    &lt;VulnDiscussion&gt;The security issue with nonpersistent disk mode is that successful attackers, with a simple shutdown or reboot, might undo or...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Host Guest File System (HGFS) file transfers must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Setting "isolation.tools.hgfsServerSet.disable" to "true" disables registration of the guest's HGFS server with the host. App...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized floppy devices must be disconnected on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized CD/DVD devices must be disconnected on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized parallel devices must be disconnected on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized serial devices must be disconnected on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized USB devices must be disconnected on the virtual machine (VM).

    &lt;VulnDiscussion&gt;Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Console connection sharing must be limited on the virtual machine (VM).

    &lt;VulnDiscussion&gt;By default, more than one user at a time can connect to remote console sessions. When multiple sessions are activated, each t...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Informational messages from the virtual machine to the VMX file must be limited on the virtual machine (VM).

    &lt;VulnDiscussion&gt;The configuration file containing these name-value pairs is limited to a size of 1MB. If not limited, VMware tools in the gue...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Unauthorized removal, connection, and modification of devices must be prevented on the virtual machine (VM).

    &lt;VulnDiscussion&gt;In a virtual machine, users and processes without root or administrator privileges can connect or disconnect devices, such as...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • The virtual machine (VM) must not be able to obtain host information from the hypervisor.

    &lt;VulnDiscussion&gt;If enabled, a VM can obtain detailed information about the physical host. The default value for the parameter is FALSE. This ...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Shared salt values must be disabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;When salting is enabled (Mem.ShareForceSalting=1 or 2) to share a page between two virtual machines, both salt and the conten...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Access to virtual machines (VMs) through the "dvfilter" network Application Programming Interface (API) must be controlled.

    &lt;VulnDiscussion&gt;An attacker might compromise a VM by using the "dvFilter" API. Configure only VMs that need this access to use the API.&lt;/V...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • System administrators must use templates to deploy virtual machines (VMs) whenever possible.

    &lt;VulnDiscussion&gt;Capture a hardened base operating system image (with no applications installed) in a template to ensure all VMs are created w...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Use of the virtual machine (VM) console must be minimized.

    &lt;VulnDiscussion&gt;The VM console enables a connection to the console of a virtual machine, in effect seeing what a monitor on a physical server...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • The virtual machine (VM) guest operating system must be locked when the last console connection is closed.

    &lt;VulnDiscussion&gt;When accessing the VM console, the guest operating system must be locked when the last console user disconnects, limiting the...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • All 3D features on the virtual machine (VM) must be disabled when not required.

    &lt;VulnDiscussion&gt;For performance reasons, it is recommended that 3D acceleration be disabled on virtual machines that do not require 3D functi...
    Rule Low Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Encryption must be enabled for vMotion on the virtual machine (VM).

    &lt;VulnDiscussion&gt;vMotion migrations in vSphere 6.0 and earlier transferred working memory and CPU state information in clear text over the vMo...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Logging must be enabled on the virtual machine (VM).

    &lt;VulnDiscussion&gt;The ESXi hypervisor maintains logs for each individual VM by default. These logs contain information including but not limite...
    Rule Medium Severity
  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
  • Log size must be configured properly on the virtual machine (VM).

    &lt;VulnDiscussion&gt;The ESXi hypervisor maintains logs for each individual VM by default. These logs contain information including but not limite...
    Rule Medium Severity

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